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    • 6. 发明公开
    • NOVEL POLYMER DISPERSANTS
    • NEUARTIGE POLYMERDISPERGIERMITTEL
    • EP3004215A1
    • 2016-04-13
    • EP14728948.2
    • 2014-06-06
    • BASF SE
    • KOU, HuiguangAUSCHRA, ClemensPIRRUNG, FrankMAIER, MatthiasPERERA-DIEZ, Dario
    • C08G81/00C08F8/32C09D153/00C09D11/102
    • C08L25/14C08F8/32C08F212/08C09D11/00C09D11/10C09D125/14C08F222/08
    • The present invention relates to novel polymer dispersants in the form of comb polymers P and to a liquid composition containing solid fine particles, such as organic or inorganic pigments and fillers, and the polymer dispersants. The comb polymer P having at least 0.5 mol-%, e.g. 0.5 to 90 mol-%, based on the total amount of repeating units in the comb polymer, of repeating units A, selected from repeating units of the formulae la and lb: wherein R
      1 is selected from the group consisting of hydrogen, -S(=O)
      2 R
      a , C
      1 -C
      20 alkyl, C
      3 -C
      10 cycloalkyl, aryl, heteroaryl, aryl-C
      1 -C
      4 -alkyl and heteroaryl-C
      1 -C
      4 -alkyl; and X indicates a polymer group of the following formula X wherein Z indicates a polymer segment or a monovalent alkyl or alkenyl segment having from 10 to 100 carbon atoms; R1 is as defined above; k is 0, 1, 2, 3 or 4; n is 0, 1 or 2; A is a chemical bond or a divalent moiety selected from the group consisting of C
      1 -C
      6 alkylene, -O-(C
      2 -C
      6 alkylene) or -C(=O)-O-(C
      2 -C
      6 alkylene), where the C
      2 -C
      6 alkylene part is attached to Q; Q is a divalent moiety selected from the group consisting of -O-, -NH- and -S-; R
      2 is independently selected from the group consisting of -OH, - COOH, -COOCH
      3 , -NH
      2 , -NH(C
      1 -C
      6 alkyl), -N(C
      1 -C
      6 alkyl)
      2 , -NO
      2 , -S(=O)
      2 R
      a , C
      1 -C
      20 alkyl, C
      1 -C
      4 alkoxy, halogen, aryloxy, aryl, heteroaryl.
    • 本发明涉及梳型聚合物P形式的新型聚合物分散剂和含有固体微粒例如有机或无机颜料和填料的液体组合物以及聚合物分散剂。 梳状聚合物P具有至少0.5mol%,例如。 0.5至90摩尔%,基于梳型聚合物中的重复单元的总重量,重复单元A选自式Ia和Ib的重复单元:其中R 1选自氢,-S( C 1 -C 4烷基,C 3 -C 10环烷基,芳基,杂芳基,芳基-C 1 -C 4烷基和杂芳基-C 1 -C 4烷基; X表示下式X的聚合物基团,其中Z表示聚合物链段或具有10至100个碳原子的一价烷基或链烯基链段; R1如上所定义; k为0,1,2,3或4; n为0,1或2; A是选自C1-C6亚烷基,-O-(C2-C6亚烷基)或-C(= O)-O-(C2-C6亚烷基)的化学键或二价基团,其中C2- C6亚烷基部分连接到Q; Q是选自-O - , - NH-和-S-的二价基团; R 2独立地选自-OH,-COOH,-COOCH 3,-NH 2,-NH(C 1 -C 6烷基),-N(C 1 -C 6烷基)2,-NO 2,-S(= O)2 R 2a ,C 1 -C 20烷基,C 1 -C 4烷氧基,卤素,芳氧基,芳基,杂芳基。